1. Tentukan pH larutan jika 800 ml larutan CH3COOH 0,1M dicampur dengan 400ml larutan
CH3COONa 0,1M (Ka CH3COOH = 1,8×10-5) !
2. Tentukan pH larutan apabila 400 ml larutan NH4OH 0,5M dicampur dengan 100 ml larutan
NH4Cl 0,5M ( Kb NH4OH = 1,8×10-5)
3. Sebanyak 50 ml larutan yang terdiri dari CH3COOH 1M dan CH3COONa 1M ditambahkan larutan
HCl 1M sebanyak iml. Tentukan pH larutan setelah penambahan HCl 1M ! ( Ka = 1,8 x 10-5)
4. Sebanyak 50 ml larutan yang terdiri dari CH3COOH 1M dan CH3COONa 1M ditambah 50 ml air.
Tentukan pH larutan setelah pengenceran !
5. Jelaskan fungsi larutan penyangga dalam tubuh makhluk hidup dan beri contohnya !
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